The expression is
(Substitute 16 for x and -9 for y)
(Multiply: )
(Subtract: )
\
The value of the expression is 26.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=91cf17b21b45429d60735aceae99d67c.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8818f7c1932b53193f683a93ba4d24d1.png\")
(Substitute 16 for x and -9 for y)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f74bf1721f38378c7bb84d169acc4ae7.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1f21c5f4bada23f1ccded0f99af36c55.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d220f02705104d861f0ff130bc5a18e1.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a66d333ad7a3ec446c4d91a4f700e7a.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")